Question about HP OfficeJet V40 All-In-One InkJet Printer
What kind of back door do you have on your machine. Does it have a knob that you twist to get it off or does it have pieces on the left and right you have to pinch to get it off. Reason for asking....
There were two versions of this machine put out that had two different service stations and paper feed mechanisms. One version had a motor for the paper feed mechanism and a motor for the service station. The other version just had a motor for the paper feed mechanism and service station movement was tied in to this motor This was done with an altered gear mechanism in the service station. This gear mechanism was cheap and it broke easily. When it breaks you get a knocking/grinding noise and no paper feed or service station movement. It can't be fixed.
THIS PROBLEM IS IN THE MACHINES THAT HAVE THE PINCH OFF BACK DOOR!!!
Hope this helps.
Posted on Nov 06, 2008
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